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ch.17 and18 vocab
Question | Answer |
---|---|
a huge body of air that has simular temputure, pressure, and humidity throughout. | air mass |
a warm air mass that forms in the tropics and has low air pressure. | tropical |
a cold air mass that forms north of 50 degrees north latitude or south of 50 degrees south latitude and has high air pressure. | polar |
a humid air mass that forms over oceans | maritime |
area where air mass meet and do not mix | front |
dry air mass that forms over land. | continental |
cut off, as the warm air mass at an occuded front is cut off from the ground by cooler air beneath it. | occluded |
a swirling center of low air pressure. | cyclones |
a high-pressure center of dry air. | anticyclones |
violent disturbance in the atmosphere. | storm |
a sudden spark or energy dicharge as the charges jump between part of a cloud, between different clouds, or between the clouds and the ground. | lightning |
a tropical storm that has winds of 119 kilometers per hour or higher. A typical hurricane is about 600 kilometers across. | hurricane |
a “dome” of water that sweeps across the coast where the hurricane lands. | storm surge |
move away temporarily. | evacuate |
scientists who study the causes of weather and try to predict it. | meteorologist |
an abnormal climate event that occurs every 2 to7 years in the Pacific Ocean, causing changes in winds, currents, and weather patterns that can lead to dramatic climate changes. | El Nino |
lines on a map joining places that have the same pressure. | isobar |
lines on a map joining places that have the same tempurture. | isotherm |
rapidly whirling, funnel-shaped cloud that reaches down from a storm cloud to touch Earth's surface, usually leaving a destuctive path. | tornado |
sudden, violent, flod that occurs within a few hours or even minutes of a heavy rainstorm. | flash flood |
average year after year conditions of tempurture, precipitation, winds, and clouds, in an area. | climate |
side of mountains that faces oncoming wind. | windward |
down wind side of mountains. | leeward |